1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    *
5    *
6    *
7    * The contents of this file are subject to the terms of the Liferay Enterprise
8    * Subscription License ("License"). You may not use this file except in
9    * compliance with the License. You can obtain a copy of the License by
10   * contacting Liferay, Inc. See the License for the specific language governing
11   * permissions and limitations under the License, including but not limited to
12   * distribution rights of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portlet.imagegallery.util.comparator;
24  
25  import com.liferay.portal.kernel.util.OrderByComparator;
26  import com.liferay.portlet.imagegallery.model.IGImage;
27  
28  /**
29   * <a href="ImageDescriptionComparator.java.html"><b><i>View Source</i></b></a>
30   *
31   * @author Brian Wing Shun Chan
32   */
33  public class ImageDescriptionComparator extends OrderByComparator {
34  
35      public static String ORDER_BY_ASC = "description ASC";
36  
37      public static String ORDER_BY_DESC = "description DESC";
38  
39      public static String[] ORDER_BY_FIELDS = {"description"};
40  
41      public ImageDescriptionComparator() {
42          this(false);
43      }
44  
45      public ImageDescriptionComparator(boolean asc) {
46          _asc = asc;
47      }
48  
49      public int compare(Object obj1, Object obj2) {
50          IGImage image1 = (IGImage)obj1;
51          IGImage image2 = (IGImage)obj2;
52  
53          int value =
54              image1.getDescription().toLowerCase().compareTo(
55                  image2.getDescription().toLowerCase());
56  
57          if (_asc) {
58              return value;
59          }
60          else {
61              return -value;
62          }
63      }
64  
65      public String getOrderBy() {
66          if (_asc) {
67              return ORDER_BY_ASC;
68          }
69          else {
70              return ORDER_BY_DESC;
71          }
72      }
73  
74      public String[] getOrderByFields() {
75          return ORDER_BY_FIELDS;
76      }
77  
78      public boolean isAscending() {
79          return _asc;
80      }
81  
82      private boolean _asc;
83  
84  }